Ingredients :

· 1/3 cup lemon juice
· 2 tsp. grated lemon zest
· 1/2 cup sugar
· 2/3 cold water
· 2 eggs, separated
· 2/3 cup skim-milk powder

Cooking Procedures :

1. Whisk together lemon juice, zest, sugar, water and egg yolks. Set aside.
2. With an electric mixer, beat egg whites until fluffy. Add skim-milk powder. Beat on high speed for about 3 to 5 minutes or until stiff peaks form. Fold in lemon mixture.
3. Pour into 8 small custard cups. Cover. Freeze for about 3 hours or until firm.
4. Remove from freezer and transfer to refrigerator about 15 minutes before serving.